Follow up | N° of patients |  < MCID |  > MCID | P value |
---|---|---|---|---|
3 months | 67 | 40 (22, 51.25) | 67 (62.5, 80) |  < 0.001 |
6 months | 67 | 34 (21, 48) | 65 (47, 80) |  < 0.001 |
12 months | 54 | 38 (24, 52) | 61 (47, 80) |  < 0.001 |
24Â months | 36 | 43 (17.75, 58.75) | 69 (46.5, 81) | 0.008 |
36Â months | 25 | 47 (23.25, 67.25) | 56 (40, 88) | 0.156 |